Dakota Formation  search
BTChronostratigraphic Units
 .Phanerozoic
 ..Mesozoic
 ...Cretaceous
 ....Dakota Formation
RTNew Mexico
 Wyoming
 Montana
 Oklahoma
 Colorado
 Nebraska
 North Dakota
 Minnesota
 Kansas
 South Dakota
 Moxa Arch
 Mesa Rica Sandstone
SNE Colorado, NE New Mexico, North Dakota, Kansas, Minnesota, SE Montana, Nebraska, South Dakota, W Oklahoma, E Wyoming.